Design and validation of 16S rRNA probes to enumerate members of the Clostridium leptum subgroup in human faecal microbiota.

abstract：:It is well recognized that a dynamic biofilm develops upon plant biomass in the herbivore gastrointestinal tract, but this component of the microbiome has not previously been specifically sampled, or directly compared with the biodiversity present in the planktonic fraction of digesta. In this study, the digesta colle...

journal_title：Environmental microbiology

authors： Larue R,Yu Z,Parisi VA,Egan AR,Morrison M

更新日期：2005-04-01 00:00:00

abstract：:Although increasing knowledge suggests that bacteriophages play important roles in regulating microbial ecosystems, phage-bacteria interaction in human oral cavities remains less understood. Here we performed a metagenomic analysis to explore the composition and variation of oral dsDNA phage populations and potential ...

journal_title：Environmental microbiology

authors： Wang J,Gao Y,Zhao F

更新日期：2016-07-01 00:00:00

abstract：:Several diazotrophic species of Azoarcus spp. occur as endophytes in the pioneer plant Kallar grass. The purpose of this study was to screen Asian wild rice and cultivated Oryza sativa varieties for natural association with these endophytes. Populations of culturable diazotrophs in surface-sterilized roots were charac...

journal_title：Environmental microbiology

authors： Engelhard M,Hurek T,Reinhold-Hurek B

更新日期：2000-04-01 00:00:00

abstract：:Selection of suitable genotypes from diverse seed banks may help phytoplankton populations to cope with environmental changes. This study examines whether the high genotypic diversity found in the Baltic cyst pool of the toxic dinoflagellate Alexandrium ostenfeldii is coupled to phenotypic variability that could aid s...

journal_title：Environmental microbiology

authors： Kremp A,Oja J,LeTortorec AH,Hakanen P,Tahvanainen P,Tuimala J,Suikkanen S

更新日期：2016-02-01 00:00:00

abstract：:Variations in the patterns of diversity of symbionts have been described worldwide on Mimosa pudica, a pan-tropical invasive species that interacts with both α and β-rhizobia. In this study, we investigated if symbiont competitiveness can explain these variations and the apparent prevalence of β- over α-rhizobia. We d...

journal_title：Environmental microbiology

authors： Melkonian R,Moulin L,Béna G,Tisseyre P,Chaintreuil C,Heulin K,Rezkallah N,Klonowska A,Gonzalez S,Simon M,Chen WM,James EK,Laguerre G

更新日期：2014-07-01 00:00:00

abstract：:Marine myoviruses (i.e. bacteriophages with a contractile tail sheath) are numerically abundant and genetically diverse. We developed a terminal restriction fragment length polymorphism assay (TRFLP) for g23, the conserved gene encoding the major capsid protein, to investigate T4-like myovirus communities at USC's Mic...

journal_title：Environmental microbiology

authors： Chow CE,Fuhrman JA

更新日期：2012-08-01 00:00:00

abstract：:Over the last 15 years classical culturing and environmental PCR techniques have revealed a modest number of genuinely new major lineages of protists; however, some new groups have greatly influenced our understanding of eukaryote evolution. We used culturing techniques to examine the diversity of free-living protists...

journal_title：Environmental microbiology

authors： Kolisko M,Silberman JD,Cepicka I,Yubuki N,Takishita K,Yabuki A,Leander BS,Inouye I,Inagaki Y,Roger AJ,Simpson AG

更新日期：2010-10-01 00:00:00

abstract：:In this study, the putative role of phenazines and rhamnolipid-biosurfactants, antagonistic metabolites produced by Pseudomonas aeruginosa PNA1, was tested in the biological control of Pythium splendens on bean (Phaseolus vulgaris L) and Pythium myriotylum on cocoyam (Xanthosoma sagittifolium L Schott). A rhamnolipid-...

journal_title：Environmental microbiology

authors： Perneel M,D'hondt L,De Maeyer K,Adiobo A,Rabaey K,Höfte M

更新日期：2008-03-01 00:00:00

abstract：:Bacillus anthracis, Bacillus cereus and Bacillus thuringiensis have been described as members of the Bacillus cereus group but are, in fact, one species. B. anthracis is a mammal pathogen, B. thuringiensis an entomopathogen and B. cereus a ubiquitous soil bacterium and an occasional human pathogen. In two clinical iso...

journal_title：Environmental microbiology

authors： Mignot T,Denis B,Couture-Tosi E,Kolstø AB,Mock M,Fouet A

更新日期：2001-08-01 00:00:00

abstract：:The mqsRA operon encodes a toxin-antitoxin pair that was characterized to participate in biofilm and persister cell formation in Escherichia coli. Notably, the antitoxin MqsA possesses a C-terminal DNA-binding domain that recognizes the [5'-AACCT(N)2-4 AGGTT-3'] motif and acts as a transcriptional regulator controllin...

journal_title：Environmental microbiology

authors： Wang Y,Zhang SP,Zhang MY,Kempher ML,Guo DD,Han JT,Tao X,Wu Y,Zhang LQ,He YX

更新日期：2019-05-01 00:00:00

abstract：:pH-responsive transcription factor of the PacC/Rim101 family governs adaptation to environment, development and virulence in many fungal pathogens. In this study, we report the functions of a PacC homologue, MrpacC, in an insect pathogenic fungus Metarhizium robertsii. The gene was highly transcribed in the fungus in ...

journal_title：Environmental microbiology

authors： Huang W,Shang Y,Chen P,Gao Q,Wang C

更新日期：2015-04-01 00:00:00

abstract：:In this study, the ability of the geoactive fungus Aspergillus niger to colonize and transform manganese nodules from the Clarion-Clipperton Zone in both solid and liquid media was investigated. Aspergillus niger was able to colonize and penetrate manganese nodules embedded in solid medium and effect extensive transfo...

journal_title：Environmental microbiology

authors： Ferrier J,Yang Y,Csetenyi L,Gadd GM

更新日期：2019-05-01 00:00:00

abstract：:In aquatic ecosystems, microplastics are a relatively new anthropogenic substrate that can readily be colonized by biofilm-forming organisms. To examine the effects of substrate type on microbial community assembly, we exposed ambient Baltic bacterioplankton to plastic substrates commonly found in marine environments ...

journal_title：Environmental microbiology

authors： Ogonowski M,Motiei A,Ininbergs K,Hell E,Gerdes Z,Udekwu KI,Bacsik Z,Gorokhova E

更新日期：2018-08-01 00:00:00

abstract：:Aquatic sediments harbour diverse microbial communities that mediate organic matter degradation and influence biogeochemical cycles. The pool of bioavailable carbon continuously changes as a result of abiotic processes and microbial activity. It remains unclear how microbial communities respond to heterogeneous organi...

journal_title：Environmental microbiology

authors： Mahmoudi N,Beaupré SR,Steen AD,Pearson A

更新日期：2017-07-01 00:00:00

abstract：:Bioactive amounts of antibiotics as well as resistant bacteria reach the soil through manure fertilization. We investigated plasmids that may stimulate the environmental spread and interspecies transfer of antibiotic resistance. After treatment of two soils with manure, either with or without the sulfonamide antibioti...

journal_title：Environmental microbiology

authors： Heuer H,Kopmann C,Binh CT,Top EM,Smalla K

更新日期：2009-04-01 00:00:00

abstract：:The O-antigen is a highly diverse structure expressed on the outer surface of Gram-negative bacteria. The products responsible for O-antigen synthesis are encoded in the wbe region, which exhibits extensive genetic diversity. While heterogeneous O-antigens are observed within Vibrio species, characterization of these ...

journal_title：Environmental microbiology

authors： Wildschutte H,Preheim SP,Hernandez Y,Polz MF

更新日期：2010-11-01 00:00:00

abstract：:Upon entry of Francisella tularensis to macrophages, the Francisella-containing phagosome (FCP) is trafficked into an acidified late endosome-like phagosome with limited fusion to the lysosomes followed by rapid escape into the cytosol where the organism replicates. Although the Francisella Pathogenicity Island (FPI),...

journal_title：Environmental microbiology

authors： Asare R,Abu Kwaik Y

更新日期：2010-09-01 00:00:00

abstract：:Arbuscular mycorrhizal (AM) fungi can improve iron (Fe) acquisition of their host plants. Here, we report a characterization of two components of the high-affinity reductive Fe uptake system of Rhizophagus irregularis, the ferric reductase (RiFRE1) and the high affinity Fe permeases (RiFTR1-2). In the extraradical myc...

journal_title：Environmental microbiology

authors： Tamayo E,Knight SAB,Valderas A,Dancis A,Ferrol N

更新日期：2018-05-01 00:00:00

abstract：:In an attempt to link the microbial community composition and function in mine tailings to the generation of acid mine drainage, we simultaneously explored the geochemistry and microbiology of six tailings collected from a lead/zinc mine, i.e. primary tailings (T1), slightly acidic tailings (T2), extremely acidic tail...

journal_title：Environmental microbiology

authors： Chen LX,Li JT,Chen YT,Huang LN,Hua ZS,Hu M,Shu WS

更新日期：2013-09-01 00:00:00

abstract：:Vibrios belonging to the Harveyi clade are pathogenic marine bacteria affecting both vertebrates and invertebrates, thereby causing a severe threat to the aquaculture industry. In this study, the expression of haemolysin, metalloprotease, serine protease, the quorum sensing master regulator LuxR and the virulence regu...

journal_title：Environmental microbiology

authors： Ruwandeepika HA,Defoirdt T,Bhowmick PP,Karunasagar I,Karunasagar I,Bossier P

更新日期：2011-02-01 00:00:00

abstract：:Stx bacteriophages are involved in the pathogenicity of Stx-producing Escherichia coli. Induction of the Stx phage lytic cycle increases Stx expression and releases Stx phages that reach extracellular environments. Stx phage family comprises different phages that harbour any stx subtype. Stx2 is closely related with s...

journal_title：Environmental microbiology

authors： Grau-Leal F,Quirós P,Martínez-Castillo A,Muniesa M

更新日期：2015-11-01 00:00:00

abstract：:Sulphoquinovosyldiacylglycerols (SQDG) are polar sulphur-containing membrane lipids, whose presence has been related to a microbial strategy to adapt to phosphate deprivation. In this study, we have targeted the sqdB gene coding the uridine 5'-diphosphate-sulphoquinovose (UDP-SQ) synthase involved in the SQDG biosynth...

journal_title：Environmental microbiology

authors： Villanueva L,Bale N,Hopmans EC,Schouten S,Damsté JS

更新日期：2014-03-01 00:00:00

abstract：:Sub-seafloor sediments are populated by large numbers of microbial cells but not much is known about their metabolic activities, growth rates and carbon assimilation pathways. Here we introduce a new method enabling the sensitive detection of microbial lipid production and the distinction of auto- and heterotrophic ca...

journal_title：Environmental microbiology

authors： Wegener G,Bausch M,Holler T,Thang NM,Prieto Mollar X,Kellermann MY,Hinrichs KU,Boetius A

更新日期：2012-06-01 00:00:00

abstract：:The bacteria in the fruitfly Drosophila melanogaster of different life stages was quantified by 454 pyrosequencing of 16S rRNA gene amplicons. The sequence reads were dominated by 5 operational taxonomic units (OTUs) at ≤ 97% sequence identity that could be assigned to Acetobacter pomorum, A. tropicalis, Lactobacillus...

journal_title：Environmental microbiology

authors： Wong CN,Ng P,Douglas AE

更新日期：2011-07-01 00:00:00

abstract：:To determine if different algal viruses (Phycodnaviridae) share common patterns of seasonal abundance, quantitative PCR methods were developed and applied to monitor the abundances of three different viruses in Lake Ontario, Canada over 13 months. Throughout the year, the abundances of two different phycodnavirus polB...

journal_title：Environmental microbiology

authors： Short SM,Short CM

更新日期：2009-10-01 00:00:00

abstract：:Marine Group I (MGI) Thaumarchaeota are some of the most abundant microorganisms in the deep ocean and responsible for much of the ammonia oxidation occurring in this environment. In this work, we present 35 sequences assembled from metagenomic samples of the first uncultivated Caudovirales viruses associated with Tha...

journal_title：Environmental microbiology

authors： López-Pérez M,Haro-Moreno JM,de la Torre JR,Rodriguez-Valera F

更新日期：2019-06-01 00:00:00

abstract：:Molecular approaches have revealed considerable diversity and uncultured novelty in natural prokaryotic populations, but not direct links between the new genotypes detected and ecosystem processes. Here we describe the influence of the structure of communities of ammonia-oxidizing bacteria on nitrogen cycling in micro...

journal_title：Environmental microbiology

authors： Webster G,Embley TM,Freitag TE,Smith Z,Prosser JI

更新日期：2005-05-01 00:00:00

abstract：:Cold seeps in the Gulf of Mexico are often dominated by mussels of the genus Bathymodiolus that harbour symbiotic bacteria in their gills. In this study, we analysed symbiont diversity, abundance and metabolic potential in three mussel species from the northern Gulf of Mexico: Bathymodiolus heckerae from the West Flor...

journal_title：Environmental microbiology

authors： Duperron S,Sibuet M,MacGregor BJ,Kuypers MM,Fisher CR,Dubilier N

更新日期：2007-06-01 00:00:00

abstract：:In recent years, the importance of the Gram-negative bacterium Stenotrophomonas as an opportunistic pathogen as well as in biotechnology has increased. The aim of the present study was to develop new methods for distinguishing between strains closely related to the potentially human pathogenic Stenotrophomonas maltoph...

journal_title：Environmental microbiology

authors： Ribbeck-Busch K,Roder A,Hasse D,de Boer W,Martínez JL,Hagemann M,Berg G

更新日期：2005-11-01 00:00:00

abstract：:American foulbrood (AFB) caused by the bee pathogenic bacterium Paenibacillus larvae is the most devastating bacterial disease of honey bees worldwide. From AFB-dead larvae, pure cultures of P. larvae can normally be cultivated indicating that P. larvae is able to defend its niche against all other bacteria present. R...

journal_title：Environmental microbiology

authors： Garcia-Gonzalez E,Müller S,Ensle P,Süssmuth RD,Genersch E

更新日期：2014-05-01 00:00:00